ShiErFeng/shierfeng-fastapi-backend/cli/groups/ops/presenter.py
2026-07-24 09:43:10 +08:00

178 lines
6.8 KiB
Python

from cli.utils import SHELL_TEXT_FORMATTER
class OpsCommandPresenter:
"""
运维命令文本渲染器。
该渲染器负责将 `ops` 命令组产生的结构化 payload 转换为稳定的文本摘要,
同时保持 JSON 输出仍由控制器直接返回,不在此处做契约变形。
"""
def build_health_text(self, payload: dict[str, object]) -> str:
"""
将基础健康检查结果渲染为文本摘要。
:param payload: 健康检查结果字典
:return: 文本摘要
"""
return '\n'.join(
[
f'ok: {str(payload.get("ok", False)).lower()}',
f'env: {payload.get("env", "")}',
'checks:',
self._build_check_status_line('database', payload.get('database')),
self._build_check_status_line('redis', payload.get('redis')),
]
)
def build_server_info_text(self, payload: dict[str, object]) -> str:
"""
将服务器运行时信息渲染为文本摘要。
:param payload: 服务器运行时信息结果字典
:return: 文本摘要
"""
server = payload.get('server')
if not isinstance(server, dict):
return '\n'.join(
[
f'ok: {str(payload.get("ok", False)).lower()}',
'server: none',
]
)
sys_info = server.get('sys')
cpu_info = server.get('cpu')
mem_info = server.get('mem')
py_info = server.get('py')
sys_files = server.get('sysFiles')
lines = [f'ok: {str(payload.get("ok", False)).lower()}']
if isinstance(sys_info, dict):
lines.extend(
[
'host:',
f' name: {sys_info.get("computerName", "-")}',
f' ip: {sys_info.get("computerIp", "-")}',
f' os: {SHELL_TEXT_FORMATTER.truncate_text(sys_info.get("osName", "-"), 90)}',
f' arch: {sys_info.get("osArch", "-")}',
f' user_dir: {SHELL_TEXT_FORMATTER.truncate_text(sys_info.get("userDir", "-"), 100)}',
]
)
if isinstance(cpu_info, dict):
lines.extend(
[
'cpu:',
f' cores: {cpu_info.get("cpuNum", "-")}',
f' used: {cpu_info.get("used", "-")}%',
f' sys: {cpu_info.get("sys", "-")}%',
f' free: {cpu_info.get("free", "-")}%',
]
)
if isinstance(mem_info, dict):
lines.extend(
[
'memory:',
f' total: {mem_info.get("total", "-")}',
f' used: {mem_info.get("used", "-")}',
f' free: {mem_info.get("free", "-")}',
f' usage: {mem_info.get("usage", "-")}%',
]
)
if isinstance(py_info, dict):
lines.extend(
[
'python:',
f' name: {py_info.get("name", "-")}',
f' version: {py_info.get("version", "-")}',
f' start_time: {py_info.get("startTime", "-")}',
f' run_time: {py_info.get("runTime", "-")}',
f' home: {SHELL_TEXT_FORMATTER.truncate_text(py_info.get("home", "-"), 100)}',
f' process_memory: {py_info.get("used", "-")} / {py_info.get("total", "-")} ({py_info.get("usage", "-")}%)',
]
)
if isinstance(sys_files, list):
lines.append(f'disks: {len(sys_files)}')
if sys_files:
lines.append('disk_samples:')
lines.extend(
f' - {item.get("dirName", "-")} | used: {item.get("used", "-")} / {item.get("total", "-")} | usage: {item.get("usage", "-")}'
for item in sys_files[:10]
if isinstance(item, dict)
)
return '\n'.join(lines)
def build_dependencies_text(self, payload: dict[str, object]) -> str:
"""
将依赖版本检查结果渲染为文本摘要。
:param payload: 依赖版本检查结果字典
:return: 文本摘要
"""
packages = payload.get('packages')
lines = [
f'ok: {str(payload.get("ok", False)).lower()}',
f'message: {payload.get("message", "-")}',
f'include_dev: {str(payload.get("includeDev", False)).lower()}',
]
missing_required = payload.get('missingRequired')
if isinstance(missing_required, list) and missing_required:
lines.append('missing_required:')
lines.extend(f' - {item}' for item in missing_required)
else:
lines.append('missing_required: none')
if not isinstance(packages, dict) or not packages:
lines.append('packages: none')
return '\n'.join(lines)
lines.append('packages:')
for package_name in sorted(packages):
dependency_payload = packages.get(package_name)
if isinstance(dependency_payload, dict):
lines.append(self._build_dependency_line(package_name, dependency_payload))
return '\n'.join(lines)
@staticmethod
def _build_check_status_line(name: str, status_payload: dict[str, object] | None) -> str:
"""
构建单项检查结果摘要行。
:param name: 检查项名称
:param status_payload: 检查结果字典
:return: 摘要行文本
"""
if not isinstance(status_payload, dict):
return f' {name}: unknown'
ok = str(status_payload.get('ok', False)).lower()
message = status_payload.get('message', '-') or '-'
error = status_payload.get('error')
if error:
return f' {name}: {ok} | {message} | error: {SHELL_TEXT_FORMATTER.truncate_text(error, 120)}'
return f' {name}: {ok} | {message}'
@staticmethod
def _build_dependency_line(name: str, dependency_payload: dict[str, object] | None) -> str:
"""
构建单个依赖项的文本摘要行。
:param name: 依赖项名称
:param dependency_payload: 依赖项结果字典
:return: 文本摘要行
"""
if not isinstance(dependency_payload, dict):
return f' {name}: not-installed'
installed = str(dependency_payload.get('installed', False)).lower()
version = dependency_payload.get('version', '-') or '-'
required = str(dependency_payload.get('required', False)).lower()
distribution = dependency_payload.get('distribution', '') or name
return f' {name}: {installed} | version: {version} | required: {required} | dist: {distribution}'